Small Block Chevy 23° 4.155 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1.5mm,1.5mm, 3mm rings (CP Bullets BC1130-030)

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|
Make |
Chevrolet |
|
Engine Type |
Small Block |
|
Part Number |
BC1130-030 |
|
Bore (in) |
4.155 |
|
Stroke (in) |
4 |
|
Rod Length (in) |
6 |
|
Comp Height |
1 |
|
Head Type |
All 23 deg heads |
|
Head CC |
58 |
|
Dome / Dish Height |
-0.118 |
|
Dom/Dish CC |
-20.6 |
|
Compression Ratio |
11 |
|
Pin |
.927 x 2.500 |
|
Ring Thickness |
1.5 x 1.5 x 3.0mm |
|
VR Depth |
-.310 / -.310 |
|
Cubic Inch |
434 |
|
Piston Weight |
419 |
|
Style |
Dish |
|
Valve Reliefs |
2 VR's |
|
Gas Port |
No |
| Product Name | Small Block Chevy 23° 4.155 bore, 6.00 rod, 1.00 ch -21cc dish 10.8 cr, 1.5mm,1.5mm, 3mm rings (CP Bullets BC1130-030) |
|---|---|
| Brands | CP Carrillo |
| Engine | SB Chevrolet / Holden |
| Make | GM |
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What information do I need to match these pistons to my engine?
You need the engine code, bore size, stroke, rod length, pin diameter and target compression ratio. These determine the correct piston compression height and crown design.
How should ring gaps be set for these pistons?
Ring gaps must be set by your engine builder based on fuel type, boost level and the intended rpm range. Forced-induction engines usually require larger gaps.
Are forged pistons suitable for street engines?
Yes. Forged pistons handle detonation and high cylinder pressure better than cast units. Your builder should set the piston-to-bore clearance to suit your application.
What is the recommended bore clearance for the BC1130-030 pistons?
For the BC1130-030 pistons, a typical bore clearance is around 0.0030" to 0.0035". However, it's essential to consult with your engine builder, as clearances can vary based on the specific application and intended use.
What compression ratio can I expect with the BC1130-030 pistons?
The BC1130-030 pistons are designed to achieve a compression ratio of approximately 11:1 when used with 58cc heads. Keep in mind that actual compression may vary based on factors such as head gasket thickness and chamber modifications.
What type of rings are included with the BC1130-030 pistons?
The BC1130-030 pistons come with 1.5mm x 1.5mm x 3.0mm ring sets. Ensure that the ring gaps are set according to your engine's specifications for optimal performance.
Are the BC1130-030 pistons suitable for high-performance applications?
Yes, the BC1130-030 pistons are designed for high-performance applications in Small Block Chevy engines. However, reliability will depend on proper machining, tuning, and fuel quality.
What is the weight of the BC1130-030 pistons, and how does it affect engine balance?
The BC1130-030 pistons weigh 419 grams. When building your engine, ensure that the rotating assembly is balanced, taking into account the piston weight to maintain optimal performance and reliability.